The calculated distance (air line) between Rottach-Egern and Nürnberg is approximately 126 miles respectively 203 kilometers.
By car or train, the actual journey to Nürnberg is certainly longer, as only the direct route (as the crow flies) between Rottach-Egern and Nürnberg has been calculated here.
Air line (approximately)
203 kilometers
109 nautical miles